| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:34.93 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 100m Breaststroke | 1:59.85 | BAD Outdoor LC Invitational | 2025-06-20 |
| 100m Breaststroke | 1:45.43 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Butterfly | 1:56.73 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 100m Freestyle | 1:20.86 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 100m Freestyle | 1:20.71 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 200m Backstroke | 3:31.29 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 200m Backstroke | 3:26.19 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 200m Freestyle | 3:01.57 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 200m Freestyle | 3:07.49 | Hall of Fame | 2025-10-18 |
| 200m IM | 3:28.45 | SCAR Cindy Nicholas Memorial Meet | 2025-11-01 |
| 400m Freestyle | 6:28.66 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 400m IM | 7:46.51 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 400m IM | 7:40.52 | Hall of Fame | 2025-10-18 |
| 50m Backstroke | 48.15 | BAD Outdoor LC Invitational | 2025-06-20 |
| 50m Breaststroke | 51.12 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 50m Butterfly | 47.10 | ESWIM New Year's Cup 2026 | 2026-01-09 |
| 50m Butterfly | 43.72 | 2025 Murray Drudge Invitational | 2025-12-05 |
| 50m Freestyle | 36.52 | 2025 Central Region Div 2 LC Championships | 2025-06-13 |
| 50m Freestyle | 34.52 | 2026 Central Region Div 2 SC Championships | 2026-02-20 |
| 800m Freestyle | 13:44.46 | ESWIM Distance Time Trial | 2025-11-11 |
Gopalkrishnan, Guhan's top personal bests include 100m Backstroke (1:34.93), 100m Breaststroke (1:59.85), 100m Breaststroke (1:45.43), 100m Butterfly (1:56.73), 100m Freestyle (1:20.86).
Gopalkrishnan, Guhan swims for Etobicoke Swim Club.
Gopalkrishnan, Guhan has competed in 10 meets.